Docker fails on Fedora 36: Failed to listen on docker.socket

Ask Fedora
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2

Workaround:

As systemd fails to start docker.socket, let’s try to replace it.

The command dockerd --host=fd:// fails to start. Replacing “fd” with “unix” works though, “fd” is for systemd (doc). So this is the idea:

  1. Disable the systemd socket:
    # systemctl mask docker.socket
  2. Copy the service unit file /usr/lib/systemd/system to /etc/systemd/system/ to temporarily modify the service without changing the original file.
    cp -vi /usr/lib/systemd/system/docker.service /etc/systemd/system/docker.service
  3. In the new service unit file, replace “fd” with “unix”.
    sed -i 's!host=fd://!host=unix://!' /etc/systemd/system/docker.service
  4. Also disable the dependency on docker.socket.
    sed -i 's!^Requires=docker.socket!#Requires=docker.socket!' docker.service

Now, Docker starts:

# systemctl daemon-reload
# systemctl restart docker.service
# systemctl status docker.service
...
systemd[1]: docker.service: Changed start -> running

A real fix would be appreciated though. Is this error documented somewhere?